I have the code for rectangle ABCD and two of its diagonals. I am trying to draw rays from adjacent vertices C and D, each of which is perpendicular to a diagonal, label the intersection of the two ...

I would like to produce an Asymptote version of the scene portrayed here:
https://www.youtube.com/watch?v=kE6aC51LMv0
The output should preferably be vector graphics. Nevertheless, this is how far I ...

When calculating the intersection point(s) between a line and another double-line path, TikZ normally returns the intersection at the middle of the double-line path. The question here is how to get ...

(Tricky question.) I'm trying to get intersection points of one individual/arbitrary curve instead of searching intersection points among many curves. We can get intersection points of two different ...

I'm playing around with intersections to draw an illustration for a lecture about optics. However, I'm having a few issues as the following example shows:
%!TEX encoding = UTF-8 Unicode
%!TEX program ...

I'm trying to make two lines intersect using the (intersection cs: first line={}, second line={}) syntax. However, compilation of the following example doesn't do what I want:
%!TEX encoding = UTF-8 ...

I'm trying to fill the intersection of the two polygons that I have made using tikz. But it seems like I have some mistake in my \clip and \fill commands that I can't get what I want. This is what I ...

I'm working on a picture using TikZ and I'm using intersections to draw some points (the $α(t_{j+i}$). I saw that the picture would fit better into the page if I rescaled it and rotated 90 degrees, ...

I was trying to use TikZ to sketch some graph but something weird happened. I was trying to use "intersection" to get the coordinate of the intersection of two lines, but strangely, there is always ...

I would like to join points (s) and (t) via arc. Could u help me to implement it?! I've tried it by such way \draw (s) arc (t); It is wrong! To say simply I need the correct arc without spreading over ...

I would like to intersect arc and sloped line as it's discribed in the code after having rotated the sloped line. Why doesn't the red point belong to sloped line? I hope my question is quite clear for ...

Okay, so I have a self-intersecting curve drawn using \pscurve in PSTricks, and I would like the interestions to look something like -|- as opposed to +. I know it can be done using double lines in ...

I want to do a loop until there is intersection points between two paths
edit
I oblic lines until they don't intersect the circle. When there is zero intersection points I have an error. Is there a ...

As it can be seen in the figure i added a line from the first intersection (y=2x and y=6-x) to x(2). But i couldn't add a line from second intersection (y=x and y=6-x) to x(3). i tried intersection-2 ...

I am an old LaTeX user but just beginning to discover PGF and TikZ. I am trying to shade areas between 3 curves and from what I read I could do it with min and max functions, but forwhatever reasons ...

I am trying to draw an helicoid and to fill the area below the curve. Since the aim of the figure is just to "give an idea", I would prefer to keep it simple and to avoid using PGFplots and GNUplot -- ...

I am trying to represent parts of a plot that extend from a simple curve to the boundaries, but I can't find a simple way of creating the closed path from the intersection of two paths. I have seen ...

In this examle from pgfmanual p 132, how to use \t the number of intersections point outside \fill command. I tried \def\Nb{\t} but it dosen't work.
\begin{tikzpicture}
\clip (-2,-2) rectangle (2,2);
...

I'm trying to draw another larger circle that is also centered at (0,0). In words I'd like to "walk out along the top horizontal arm to its halfway point, then draw a circle all the way around to the ...

I am trying to find the intersections of a path with plots from pgfplots via the intersection library. The intersections found clearly do not match the visable intersections. It seems as if they are ...

I'm trying to find and name a node at the intersection of the diagonals of a quadrilateral formed by four other nodes. However, I'm not drawing a path. All I can seem to find in the tikz manual are ...